355639936541 has 2 divisors, whose sum is σ = 355639936542. Its totient is φ = 355639936540.

The previous prime is 355639936529. The next prime is 355639936577. The reversal of 355639936541 is 145639936553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348124780441 + 7515156100 = 590021^2 + 86690^2 .

It is a cyclic number.

It is not a de Polignac number, because 355639936541 - 2³⁴ = 338460067357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355639936501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177819968270 + 177819968271.

It is an arithmetic number, because the mean of its divisors is an integer number (177819968271).

Almost surely, 2^355639936541 is an apocalyptic number.

It is an amenable number.

355639936541 is a deficient number, since it is larger than the sum of its proper divisors (1).

355639936541 is an equidigital number, since it uses as much as digits as its factorization.

355639936541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366000, while the sum is 59.

The spelling of 355639936541 in words is "three hundred fifty-five billion, six hundred thirty-nine million, nine hundred thirty-six thousand, five hundred forty-one".